From: FourFold Asthma Study (FAST): a study protocol for a randomised controlled trial evaluating the clinical cost-effectiveness of temporarily quadrupling the dose of inhaled steroid to prevent asthma exacerbations
Current number of puffs
Puffs to achieve quadrupled dose
1 od
4 od
2 od
8 od
1 bd
4 bd
2 bd
8 bd